prostate

a firm partly muscular chestnut sized gland in males at the neck of the urethra

produces a viscid secretion that is the fluid part of semen relating to the prostate gland

The prostate is a gland that is part of male mammalian sex organs. Its main function is to secrete and store a clear, slightly Base (chemistry)basic fluid that is part of semen. The prostate differs considerably between species anatomyanatomically, chemicalchemically and physiologyphysiologically. A healthy human prostate is slightly larger than a walnut. It surrounds the urethra just below the urinary bladder. It is located in front of the rectum and part of it can be felt during a rectal exam. The male urethra has two functions: to carry urine from the bladder during urination and to carry semen during ejaculation. Within the prostate, the urethra coming from the bladder merges with the two ejaculatory ducts. Semen is composed of sperm and seminal fluid; about 10-30% of the seminal fluid is produced by the prostate gland, the rest is produced by the two seminal vesicles.The prostate also contains some smooth muscle Biological tissuetissue which helps to expel semen during ejaculation.Prostatic secretions vary between species. They are generally composed of simple sugars, and are often slightly Base (chemistry)basic. In human prostatic secretions, the protein content is <1%. To work properly, the prostate needs male hormones (androgens). Male hormones are responsible for male sex characteristics. The main male hormone is testosterone, which is produced mainly by the testicles. Some male hormones are produced in small amounts by the adrenal glands.Prostate glands are found only in males; Skene's glands in females are homologous to the prostate gland in males.

Disorders of the prostate - Inflammation of the prostate gland is known as prostatitis. If the prostate grows too large it may constrict the urethra and impede the flow of urine, making urination difficult and painful and in extreme cases completely impossible. Prostatitis is treated with antibiotics, prostate massage or surgery.In older men, the prostate often enlarges to the point where urination becomes difficult. This is known as benign prostatic hyperplasia and can be treated with medication or with surgery that removes part of the prostate. The surgery most often used in such cases is called transurethral resection of the prostate (TURP or TUR). In TURP, an instrument is inserted through the urethra to remove prostate tissue that is pressing against the upper part of the urethra and restricting the flow of urine.Prostate cancer is one of the most common cancercancers affecting elderly men in developed countries and a major cause of death. Regular rectal examrectal exams are recommended for elderly men to detect prostate cancer early. There is also a blood test that measures the concentration of a protein, Prostate Specific Antigen (PSA), which is normally very low. Elevated test results may be an indicator of disorder within the prostate, either prostatitis, benign hyperplasia or prostate cancer. The PSA test cannot distinguish between them, but can lead a doctor to investigate further. Prostate cancer is treated with hormone manipulation (prevention of production of testosterone), radiation and/or surgery. It has recently been found that the drug Docetaxel can be effective in the treatment of prostate cancer.

Stimulation - Stimulation of the prostate gland in males has been compared to stimulation of the Gräfenberg spot in females in that prostate stimulation can result in a more powerful orgasm. Stimulation of the prostate gland can be accomplished through anal sex and anal masturbation. Putting pressure on the perineum may also stimulate the prostate. Pegging (sexual practice)Pegging, where a woman penetrates a man with a strap-on dildo, also provides intense prostate stimulation for most men.A separate practice, prostate massage or prostate milking refers to massage of the prostate either for clinical purposes, or more commonly as part of erotic sexual denial, associated with BDSM and orgasm denial.

See also -

Bulbourethral glands

Benign prostatic hyperplasia

Cowper's glands

Cystoscopy

Prostate cancer

Prostate massage

Prostate milking

Prostatectomy

Seminal vesicles

Skene's gland (The female homologous organ)

Urinary retention

External links -

npr.org - ''Active Sex Life Seen as Protecting Prostate'' from NPR.org

kidney.niddk.nih.gov - "What I need to know about prostate problems" by the US National Institutes of Health.

my-prostate-cancer.com - ''Prostate Cancer Symptoms & Treatments''

prostate-cancer.org.uk - 3D Representation of male sexual organs, with links to information on Prostate Cancer from the UK based Prostate Cancer Charity

news.bbc.co.uk - ''"Drug hope in prostate cancer care"'', from BBC News

ustoo.com - ''Us TOO International'' Prostate Cancer Education and Support Network

prostatetroubles.info - ''Prostate Troubles'' Info on Prostate Cancer, other Prostate Problems and the latest Prostate Newsreproductive_system !Category:AndrologyCategory:Exo crine? systemCategory:Reproductive !systemda:Prostatade:Prostataes :Próstatafr:Prostatelt:Prosta tanl:Prostaatja:前ే 5;腺no:Prostatapl:Prosta tapt:Próstatasl:Prostatasv:Pr ostatait:Prostatazh:前列腺< /text>

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desmitmedical continence care products and training
Suppliers of continence care products and books. Features product profiles, on-line shopping, training, services, help and advice.
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West-German Prostate Center
Focused on minimal invasive and radiooncologic treatment of prostate diseases.
http://www.uro-koeln.de/

Manitoba Prostate Cancer Support Group
The Manitoba Prostate Cancer Support Group provides support and information on Cancer prevention and treatment options.
http://www.manpros.org/

University of Michigan Comprehensive Cancer Center
Institutional information about this Ann Arbor, Michigan facility, including access to the Patient Education Resource Center.
http://www.cancer.med.umich.edu

American Prostate Society
Information on prostate cancer, enlargement and prostatitis.
http://www.ameripros.org/

Prostate.com
Information on prostate diseases such as cancer, benign prostatic hyperplasia, and prostatitis.
http://www.prostate.com

Prostate Health
Consumer health information and prostate awareness site supported by Merck. Includes self evaluation quiz and video.
http://www.prostatehealth.com

Prostate Cancer Research Institute
Non-profit provides access to resources, articles, research and links. Maintained by Drs. Strum and Scholz and located in Los Angeles, California.
http://www.prostate-cancer.org/